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From: Daniel Walker <dwalker@mvista.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christoph Hellwig <hch@infradead.org>,
	john stultz <johnstul@us.ibm.com>,
	Oleg Nesterov <oleg@tv-sign.ru>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Dipankar Sarma <dipankar@in.ibm.com>,
	"David S. Miller" <davem@davemloft.net>,
	matthew.wilcox@hp.com, kuznet@ms2.inr.ac.ru
Subject: Re: [RFC PATCH 4/6] Make DRM use the tasklet is-sched API
Date: Fri, 22 Jun 2007 08:36:42 -0700	[thread overview]
Message-ID: <1182526602.3228.43.camel@dhcp193.mvista.com> (raw)
In-Reply-To: <1182514525.5493.4.camel@localhost.localdomain>

On Fri, 2007-06-22 at 08:15 -0400, Steven Rostedt wrote:
> On Fri, 2007-06-22 at 00:08 -0700, Daniel Walker wrote:
> 
> > > > No sense in having a patch just for this, may as well merge this with
> > > > patch 3 ..
> > > 
> > > Wrong. patch 3 adds the API and this one makes use of it. Stevens split
> > > makes perfectly sense.
> > 
> > Clearly it doesn't make sense to me ;) .. The patches are too small to
> > split them up that way ..
> 
> Daniel, you of all people should know. It's not the size of the patch
> that matters, it's the way you use the patch ;-)
> 

Are you trying to say that you think I have a small patch Steven ;) ?

> No these two patches should *not* be merged to one. If these are sitting
> in -mm, and someone were to change the DRM to not to use the API and
> someone else changed their driver to use the API, then what?  Does
> Andrew keep these maintenance patches on top of each other?

I read this 5 times at least .. I don't think I'm following what you
saying .. It sounds like you might be thinking to many steps ahead tho..

> The split lets the DRM patch be dropped or replaced while keeping the
> API patch around in case another driver uses the API.

Ok, but there are no other users currently, and I think it's unlikely
you'll have others in the future since TASKLET_STATE_SCHED seems more
like an internal part of tasklets .. This drm user seems like the one
aberrant.

> The two patches have two different objectives, even though they are
> related and currently on a 1 to 1 basis. The patches regardless, should
> stay separate.

I'm not convinced yet .. One more stab?

Daniel


  reply	other threads:[~2007-06-22 15:40 UTC|newest]

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-22  4:00 [RFC PATCH 0/6] Convert all tasklets to workqueues Steven Rostedt
2007-06-22  4:00 ` [RFC PATCH 1/6] Convert the RCU tasklet into a softirq Steven Rostedt
2007-06-22  7:10   ` Christoph Hellwig
2007-06-22  7:43     ` Ingo Molnar
2007-06-22 12:35       ` Steven Rostedt
2007-06-22 12:55         ` Ingo Molnar
2007-06-22  4:00 ` [RFC PATCH 2/6] Split out tasklets from softirq.c Steven Rostedt
2007-06-22  7:11   ` Christoph Hellwig
2007-06-22 12:40     ` Steven Rostedt
2007-06-22 13:45   ` Akinobu Mita
2007-06-22 13:58     ` Steven Rostedt
2007-06-22  4:00 ` [RFC PATCH 3/6] Add a tasklet is-scheduled API Steven Rostedt
2007-06-22  4:00 ` [RFC PATCH 4/6] Make DRM use the tasklet is-sched API Steven Rostedt
2007-06-22  6:36   ` Daniel Walker
2007-06-22  6:49     ` Thomas Gleixner
2007-06-22  7:08       ` Daniel Walker
2007-06-22 12:15         ` Steven Rostedt
2007-06-22 15:36           ` Daniel Walker [this message]
2007-06-22 22:38             ` Ingo Molnar
2007-06-22 23:28               ` Daniel Walker
2007-06-22 16:10       ` Arnd Bergmann
2007-06-22 16:56         ` Steven Rostedt
2007-06-22 18:24         ` Christoph Hellwig
2007-06-22 23:38           ` Dave Airlie
2007-06-22  4:00 ` [RFC PATCH 5/6] Move tasklet.h to tasklet_softirq.h Steven Rostedt
2007-06-22  4:00 ` [RFC PATCH 6/6] Convert tasklets to work queues Steven Rostedt
2007-06-22  7:06   ` Daniel Walker
2007-06-22 13:29     ` Steven Rostedt
2007-06-22 15:52       ` Oleg Nesterov
2007-06-22 16:35         ` Steven Rostedt
2007-06-23 11:15   ` Arnd Bergmann
2007-06-22  7:09 ` [RFC PATCH 0/6] Convert all tasklets to workqueues Christoph Hellwig
2007-06-22  7:51   ` Ingo Molnar
2007-06-22  7:53     ` Christoph Hellwig
2007-06-22 11:23       ` Ingo Molnar
2007-06-22 12:32   ` Steven Rostedt
2007-06-22 12:38     ` Ingo Molnar
2007-06-22 12:58       ` Steven Rostedt
2007-06-22 13:12         ` Ingo Molnar
2007-06-22 14:27           ` Steven Rostedt
2007-06-22 13:13         ` Andrew Morton
2007-06-22 13:26           ` Ingo Molnar
2007-06-22 13:41             ` Andrew Morton
2007-06-22 14:00               ` Ingo Molnar
2007-06-22 13:35           ` Steven Rostedt
2007-06-22 14:25 ` Arjan van de Ven
2007-06-22 14:42   ` Steven Rostedt
2007-06-22 14:43     ` Arjan van de Ven
2007-06-22 17:16 ` Linus Torvalds
2007-06-22 17:31   ` Steven Rostedt
2007-06-22 18:32   ` Christoph Hellwig
2007-06-22 20:40   ` Ingo Molnar
2007-06-22 21:00     ` Christoph Hellwig
2007-06-22 21:10       ` Ingo Molnar
2007-06-22 21:13       ` Thomas Gleixner
2007-06-22 21:37     ` Linus Torvalds
2007-06-22 21:59       ` Ingo Molnar
2007-06-22 22:09         ` Ingo Molnar
2007-06-22 22:43           ` Roland Dreier
2007-06-22 22:57             ` Alan Cox
2007-06-22 22:58         ` Steven Rostedt
2007-06-23  6:23         ` Dave Airlie
2007-06-24 15:16         ` Jonathan Corbet
2007-06-24 15:52           ` Steven Rostedt
2007-06-25 16:50           ` Tilman Schmidt
2007-06-25 17:06             ` Steven Rostedt
2007-06-25 20:50               ` Tilman Schmidt
2007-06-25 21:03                 ` Steven Rostedt
2007-06-25 19:52             ` Stephen Hemminger
2007-06-26  0:00           ` Jonathan Corbet
2007-06-26  0:52             ` Steven Rostedt
2007-06-25 18:48         ` Kristian Høgsberg
2007-06-25 19:11           ` Steven Rostedt
2007-06-25 20:07             ` Kristian Høgsberg
2007-06-25 20:31               ` Steven Rostedt
2007-06-25 21:08                 ` Kristian Høgsberg
2007-06-25 21:15           ` Ingo Molnar
2007-06-25 23:36             ` Stefan Richter
2007-06-26  0:46               ` Steven Rostedt
2007-06-26  1:46         ` Dan Williams
2007-06-26  2:01           ` Steven Rostedt
2007-06-26  2:12             ` Dan Williams
2007-06-28 12:37               ` Steven Rostedt
2007-06-28 16:37                 ` Oleg Nesterov
2007-06-28 18:02                 ` Dan Williams
2007-06-28 20:46                   ` Steven Rostedt
2007-06-28 21:23                     ` Dan Williams
2007-06-28 21:40                       ` Dan Williams
2007-06-28 22:01                         ` Steven Rostedt
2007-06-28 22:00                       ` Steven Rostedt
2007-06-28  5:48         ` Jeff Garzik
2007-06-28  9:23           ` Ingo Molnar
2007-06-28 14:38             ` Alexey Kuznetsov
2007-06-28 15:23               ` Jeff Garzik
2007-06-28 15:54               ` Steven Rostedt
2007-06-28 16:00               ` Ingo Molnar
2007-06-28 17:26                 ` Jeff Garzik
2007-06-28 17:44                 ` Jeff Garzik
2007-06-28 18:19                 ` Andrew Morton
2007-06-28 20:07                   ` Ingo Molnar
2007-06-29 11:34                 ` Alexey Kuznetsov
2007-06-29 11:48                   ` Duncan Sands
2007-06-29 13:36                     ` Alexey Kuznetsov
2007-06-29 14:01                       ` Duncan Sands
2007-06-29 16:34                         ` Alexey Kuznetsov
2007-06-29 12:29                   ` Ingo Molnar
2007-06-29 13:25                     ` Alexey Kuznetsov
2007-06-29 13:43                       ` Ingo Molnar
2007-06-29 15:23                         ` Alexey Kuznetsov
2007-06-29 13:41                   ` Steven Rostedt
2007-06-29 14:24                     ` Jeff Garzik
2007-06-29 14:26                     ` Oleg Nesterov
2007-06-29 19:04                       ` Alexey Kuznetsov
2007-06-29 14:27                     ` Alexey Kuznetsov
2007-06-29 15:51                   ` Oleg Nesterov
2007-06-29 16:21                     ` Alexey Kuznetsov
2007-06-29 16:52                       ` Oleg Nesterov
2007-06-29 17:09                         ` Oleg Nesterov
2007-06-30 11:25                           ` Oleg Nesterov
2007-06-28 15:17             ` Jeff Garzik
2007-06-22 21:53     ` Daniel Walker
2007-06-22 22:09       ` david
2007-06-22 22:15         ` Daniel Walker
2007-06-22 22:44           ` Ingo Molnar
2007-06-22 23:28             ` Daniel Walker
2007-06-22 22:15       ` Ingo Molnar
2007-06-23  5:14 ` Stephen Hemminger

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